package dujiu.luogu.circulation;

import java.util.Scanner;

public class P1075 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        int n = scanner.nextInt();
        for (int i = 1; i <= n ; i++) {
            if (i <= 3){

            }
        }
    }
}
